Update "No Plots" section message

[julieg18]

Demo

https://github.com/iterative/vscode-dvc/assets/43496356/2e854bb5-587c-46ad-aa14-727d8c6200f9

Fixes #4462

[mattseddon]

Defer to @shcheklein

[sroy3]

Just my personal opinion, I'd add a new line for the new text. Shorter lines are easier to read.

[shcheklein]

Thanks @julieg18 !

Let's be super explicit here:

No plots or data to display.
Note: If you have some experiments selected that just started you might need to wait while data to plot is produced. The screen will be updated automatically if plots are setup correctly in this case.

Also, let's please review some other places where we have a similar message.

[julieg18]

Thanks @julieg18 !

Let's be super explicit here:

No plots or data to display. Note: If you have some experiments selected that just started you might need to wait while data to plot is produced. The screen will be updated automatically if plots are setup correctly in this case.

Also, let's please review some other places where we have a similar message.

Updated the title and added the additional message in empty plot sections:

cc @shcheklein

[shcheklein]

Look good to me, thanks @julieg18 !

[codeclimate]

Code Climate has analyzed commit f658319 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (85% is the threshold).

This pull request will bring the total coverage in the repository to 95.0% (0.0% change).

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